I think it’s that many of us just love handing away other people’s freedoms. ‘They’ are the ones we’re oppressing, ‘they’ deserve it. It’s seen as an easy shortcut to oppress ‘them’.
Then you get the Syrian Christians who voted for Trump in droves because if his anti-Muslim stance, but who’s communities are being gutted by deportations because it turns out all the laws being used against Syrian Muslim immigrants apply just as well to Syrian Christians. Oops.